I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

An Abu Dhabi-based observatory captured images of Comet SWAN25F on April 5. With astronomers still confirming its discovery, ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

C/2022 E2 (ATLAS): This comet is expected to be visible starting in April 2025 and peak in autumn, with optimal observation likely requiring a telescope.It will be most prominent to observers in ...

Comet A3 could be bright enough to see with naked eye 02:27. BOSTON - It isn't often that we get the chance to see a comet with the naked eye.But, in a year already filled with so many ...

The comet is currently at a magnitude of +8, making it too faint to see with the naked eye. You’ll need a telescope or a pair of binoculars to catch a glimpse. Be sure to wake up before morning ...

A new study suggests that up to 60% of near-Earth objects are dark comets, a nearly invisible hybrid object that behaves like a comet and an asteroid at the same time.

Comet Kohoutek, which offered a glimpse in 1973, broke up while passing too close to the sun. In 2013, Comet Ison was broken up by the sun’s intense heat and gravity. But Comet C/2023 A3 survived.

The comet, which will be visible to the naked eye, orbits the sun roughly once every 80,000 years—the last time it passed Earth humans were just migrating out of Africa. SCIENCE Here’s how to ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.